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Periscope
Source Institutions
In this optics activity, learners build a spy tool to secretly view things over walls or around corners.
CD Spinner
Source Institutions
In this activity, learners create a simple “top” from a CD, marble and bottle cap, and use it as a spinning platform for a variety of illusion-generating patterns.
Stereoscope
Source Institutions
In this activity, learners construct a device that allows them to view 2-D images in 3-D.